is good through

USAGE SUMMARY

The phrase "is good through" is correct and usable in written English.
It is typically used to indicate the duration of validity for an offer, coupon, or agreement, specifying the last date it can be used. Example: "This coupon is good through the end of the month, so make sure to use it before then."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

It is good through Dec. 19, and April 6 through closing, and Monday through Friday through the season, except for holiday periods.

The New York Times - Travel

The offer is good through March 31.

The New York Times

The offer is good through October.

The New York Times - Travel

The rate is good through Dec. 23.

The New York Times - Travel

The program is good through April 15.

The New York Times - Travel

The deal is good through Feb. 28.

The New York Times - Travel

It is good through the fall at most places.

The New York Times - Travel

The program is good through Sept. 4. Reservations: [phone].

The New York Times - Travel

Washington's place atop the distribution ranking order is good through the end of the season.

The Washington Post

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

It's been good through all tides".

The New York Times - Sports

Returns are good through March 31.

The New York Times - Travel

Expert writing Tips

Best practice

When writing about the validity of offers or agreements, be specific with the date to avoid ambiguity. For example, instead of saying "the offer is good through the end of the year", specify "the offer is good through December 31".

Common error

Avoid assuming that "good through" means the stated date is not included. If an offer is "good through January 31", it typically means January 31 is the last day the offer is valid.

Linguistic Context

The phrase "is good through" functions as a predicate adjective, describing the state or condition of something being valid or effective up to a specific date. Ludwig examples show how it modifies nouns like "offer", "deal", "program", or "rate".

Expression frequency: Very common

Frequent in

News & Media

60%

Science

20%

Formal & Business

10%

Less common in

Academia

5%

Encyclopedias

3%

Wiki

2%

Ludwig's WRAP-UP

The phrase "is good through" is a common and grammatically correct way to indicate the validity period of an offer, deal, or agreement. Ludwig's AI confirms that this phrase is used frequently across various contexts, particularly in news, media, and business. While alternatives like "is valid until" or "expires on" exist, "is good through" offers a neutral tone suitable for many situations. To avoid ambiguity, it's crucial to specify the exact date to ensure clarity and prevent misunderstandings about whether the stated date is included in the validity period.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is valid until

Focuses on the end date of validity, differing slightly in emphasis.

is effective until

Stresses the period during which something is operative or functional.

is applicable through

Indicates the period during which a rule or condition is in force.

remains in effect until

Emphasizes the ongoing validity until a specific date.

lasts until

Highlights the duration of something's validity.

holds good until

Indicates that something remains valid or applicable up to a certain date.

is available until

Specifies the period during which something is accessible or obtainable.

is operative until

Emphasizes the functional period, suggesting active operation until a deadline.

expires on

Highlights the point of expiration, a more negative framing.

extends to

Implies a continuation or prolongation of validity up to a certain point.

FAQs

How do I correctly use "is good through" in a sentence?

Use "is good through" to indicate the period during which something remains valid or effective. For example, "The warranty is good through December 2025."

What are some alternatives to saying "is good through"?

You can use alternatives like "is valid until", "expires on", or "is effective until" depending on the context.

Is it correct to say "is good through" instead of "is good until"?

Both "is good through" and "is good until" are acceptable, but "is good through" typically includes the specified date as the last day of validity, whereas "is good until" might be interpreted as the day before.

What's the difference between "is good through" and "is valid until"?

"Is good through" and "is valid until" are very similar. "Is good through" is more common in informal contexts, while "is valid until" is often used in more formal or legal settings.